Physical chemists study matter and energy, and there is chemical reactions in your body, and all living things have elements, like carbon.
I would say D
The function of the central vacuole is to maintain proper pressure within the plant cells to provide structure and support of the growing plant.
Answer:
B) Atoms of elements in the sun combine to release energy.
Explanation:
The process is called fusion, where atoms collide violently and release energy in the process, thus making new kinds of atoms.
Prokaryotic cells are cells that have no nucleus, and are either cells of bacteria or protists. Eukaryotic cells are cells that do have a nucleus, and may have other organelles that prokaryotic cells don't have, like a vacuole or lysosome, etc. Hope this helps!
Answer:
Factors that affect the speed of a river include the slope gradient, the roughness of the channel, and tides.
Explanation: